When you divide two fractions, which one do you turn upside down and then multiply?
(e.g: -6mm / 15 divided by 2m" / 5 )
2007-01-09 12:37:17 · 5 answers · asked by -anonimus- 2 in Science & Mathematics ➔ Mathematics
You turn the second one upside down and then multiply.
(a/b) / (c/d)
Is the same as
(a/b) * (d/c)
2007-01-09 12:43:40 · answer #1 · answered by Puggy 7 · 0⤊ 0⤋
You turn the fraction you're dividing by upside down.
(-6/15)/(2/5)
(-6/15)*(5/2)
-3/3=-1
2007-01-09 20:45:20 · answer #2 · answered by Nick R 4 · 0⤊ 0⤋
Invert the operation (x) and the second fraction.
-6mm / 15 times 5/2m" = -m/"
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2007-01-09 20:46:38 · answer #3 · answered by aeiou 7 · 0⤊ 0⤋
you keep the number on the left the same
and flip the fraction on the right side upside down =]
2007-01-09 20:43:53 · answer #4 · answered by M Dawg 2 · 0⤊ 0⤋
you flip the second one
2007-01-09 20:43:55 · answer #5 · answered by Mary Elizabeth 6 · 0⤊ 0⤋